| French Animal Words | 0 | - | 4.44 | 134,068 |
| Spanish Animal Words | 0 | - | 4.53 | 95,549 |
| German-Speaking Countries | 0 | - | 4.91 | 143,636 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,629 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,027 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,246 |
| Animal Stereotypes | 0 | - | 4.48 | 37,002 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,373 |
| Head to Head - Animals | 0 | - | 4.88 | 69,078 |
| Types of Bears | 0 | - | 4.51 | 143,214 |
| Bear Knowledge | 0 | - | 4.54 | 35,028 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,063 |
| Animals in World History | 0 | - | 4.74 | 44,348 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,534 |
| Deadly Animals | 0 | - | 4.03 | 110,052 |
| Famous Animals #1 | 0 | - | 4.03 | 239,055 |
| Famous Animals #2 | 0 | - | 4.02 | 57,381 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,205 |
| Animal Facts | 0 | - | 4.15 | 42,945 |
| Cat Knowledge | 0 | - | 4.48 | 25,760 |
| Cow Knowledge | 0 | - | 4.46 | 24,206 |
| Elephant Knowledge | 0 | - | 4.41 | 23,927 |
| Human Taxonomy | 0 | - | 4.68 | 18,889 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,602 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,190 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,823 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,456 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,403 |
| Name that Bug | 0 | - | 4.12 | 45,499 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,187 |
| Bird in the Answers | 0 | - | 4.11 | 33,433 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,134 |
| Horse Knowledge | 0 | - | 4.45 | 23,985 |
| Snake Knowledge | 0 | - | 4.49 | 18,768 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,024 |
| Pack Animals | 0 | - | 4.23 | 10,352 |
| Lion Trivia | 0 | - | 4.19 | 16,389 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,625 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,472 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,335 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,935 |
| Animals that Start with L | 0 | - | 4.47 | 101,690 |
| Animals that Start with P | 0 | - | 4.45 | 85,939 |
| Animals that Start with S | 0 | - | 4.49 | 87,132 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,829 |
| Top World Languages | 0 | - | 4.92 | 817,317 |
| Words that are Animals | 0 | - | 3.88 | 41,437 |
| Extinct Animals | 0 | - | 4.21 | 27,451 |
| Primate Knowledge | 0 | - | 4.17 | 15,281 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,260 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,227 |
| Animals in the News | 0 | - | 4.37 | 26,756 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,420 |
| Animals: No Vowels #2 | 0 | - | 4.53 | 21,849 |
| Largest Types of Birds | 0 | - | 4.19 | 26,933 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,714 |
| Fish Knowledge | 0 | - | 4.38 | 25,565 |
| Megadiverse Countries | 0 | - | 4.96 | 134,538 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,867 |
| Countries by Official Language | 0 | - | 4.95 | 194,007 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,185 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,307 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,534 |
| Countries in their Native Language | 0 | - | 4.99 | 197,632 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,850 |
| Official European Union Languages | 0 | - | 4.97 | 237,659 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,312 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,827 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,387 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,173 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,337 |
| Animals that Start with A | 0 | - | 4.26 | 111,791 |
| Animals that Start with B | 0 | - | 4.31 | 113,502 |
| Animals that Start with C | 0 | - | 4.23 | 92,641 |
| Animals that Start with D | 0 | - | 4.25 | 86,744 |
| Animals that Start with E | 0 | - | 4.28 | 73,711 |
| Animals that Start with F | 0 | - | 4.28 | 106,858 |
| Animals that Start with G | 0 | - | 4.25 | 79,946 |
| Animals that Start with K | 0 | - | 4.07 | 66,416 |
| Animals that Start with M | 0 | - | 4.23 | 83,825 |
| Animals that Start with R | 0 | - | 4.27 | 87,215 |
| Animals that Start with T | 0 | - | 4.32 | 91,268 |
| Animals that Start with H | 0 | - | 4.31 | 86,124 |
| Animals that Start with O | 0 | - | 4.27 | 88,425 |
| Animals that Start with W | 0 | - | 4.36 | 47,037 |
| Mammals in the Answer | 0 | - | 4.35 | 29,937 |
| Three Letter Animals Quiz | 0 | - | 3.96 | 300,628 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,556 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,805 |
| Animal Decoder | 0 | - | 4.06 | 15,490 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,224 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,595 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,669 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,538 |
| Countries with Fjords | 0 | - | 4.93 | 100,466 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,457 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,301 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,212 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,475 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,080 |
| Italian Name Translation | 0 | - | 4.81 | 45,931 |
| French-Speaking Countries | 0 | - | 4.85 | 269,748 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,555 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,314 |
| World's Longest Rivers | 0 | - | 4.88 | 121,809 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,749 |
| English Speaking Countries | 0 | - | 4.64 | 356,696 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,542 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,026 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,210 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,864 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,413 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,980 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,458 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,135 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,690 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,360 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,855 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,530 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,104 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,581 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,169 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,880 |
| Countries With No Rivers | 0 | - | 4.96 | 76,218 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,511 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,838 |
| North Sea Countries | 0 | - | 4.92 | 86,786 |
| Black Sea Countries | 0 | - | 4.87 | 60,439 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,147 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,246 |
| Seas on the World Map | 0 | - | 4.96 | 134,729 |
| Seas of the World | 0 | - | 5.00 | 155,427 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,039 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,287 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,061 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,499 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,334 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,007 |
| Animal Adjectives | 0 | - | 4.77 | 59,918 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,186 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,333 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,431 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,064 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,437 |
| Animals that Start with N | 0 | - | 3.73 | 31,559 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,388 |
| Geologic Time Scale | 0 | - | 4.46 | 9,975 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,418 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,777 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,290 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,884 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,018 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,132 |
| Random Name Translation | 0 | - | 4.52 | 42,276 |
| Slavic Languages | 0 | - | 4.68 | 54,151 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,488 |
| Translations of John | 0 | - | 4.53 | 26,980 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,653 |
| French Food Words | 0 | - | 4.78 | 194,199 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,738 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,034 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,836 |
| Animal Sounds | 0 | - | 4.26 | 191,408 |
| Animals of Australia | 0 | - | 4.52 | 42,235 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,328 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,304 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,015 |
| Animal Emojis | 0 | - | 4.73 | 83,727 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,300 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,163 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,933 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,026 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,361 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,050 |
| Birds in the Answer | 0 | - | 4.56 | 52,751 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,735 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,763 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,195 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,180 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,521 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,166 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,232 |
| Famous Rivers | 0 | - | 4.74 | 104,686 |
| City to River #1 | 0 | - | 4.59 | 35,782 |
| Most Populous River Basins | 0 | - | 4.55 | 39,600 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,211 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,092 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,886 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,495 |
| Flowers by Picture | 0 | - | 4.46 | 105,132 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,175 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,570 |
| Spanish Name Translation | 0 | - | 4.13 | 168,259 |
| Spanish Food Words | 0 | - | 4.64 | 250,121 |
| Song Title Translation - German | 0 | - | 3.80 | 11,717 |
| Italian Food Words | 0 | - | 4.29 | 71,044 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,508 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,981 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,535 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,449 |
